Intermediate changes

commit_hash:635f3c44553ff6c26f4387533d6260171d23708f

Author: robot-piglet

yql/essentials/tools/ya.make

@@ -11,6 +11,7 @@ RECURSE(
     udf_dep_stub
     udf_probe
     udf_resolver
+    yql_complete
     yql_facade_run
     yql_linter
 )

yql/essentials/tools/yql_complete/ya.make

@@ -0,0 +1,12 @@
+PROGRAM()
+
+PEERDIR(
+    library/cpp/getopt
+    yql/essentials/sql/v1/complete
+)
+
+SRCS(
+    yql_complete.cpp
+)
+
+END()

yql/essentials/tools/yql_complete/yql_complete.cpp

@@ -0,0 +1,53 @@
+#include <yql/essentials/sql/v1/complete/sql_complete.h>
+
+#include <library/cpp/getopt/last_getopt.h>
+#include <util/stream/file.h>
+
+int Run(int argc, char* argv[]) {
+    NLastGetopt::TOpts opts = NLastGetopt::TOpts::Default();
+
+    TString inFileName;
+    TMaybe<ui64> pos;
+    opts.AddLongOption('i', "input", "input file").RequiredArgument("input").StoreResult(&inFileName);
+    opts.AddLongOption('p', "pos", "position").StoreResult(&pos);
+    opts.SetFreeArgsNum(0);
+    opts.AddHelpOption();
+
+    NLastGetopt::TOptsParseResult res(&opts, argc, argv);
+
+    THolder<TUnbufferedFileInput> inFile;
+    if (!inFileName.empty()) {
+        inFile.Reset(new TUnbufferedFileInput(inFileName));
+    }
+    IInputStream& in = inFile ? *inFile.Get() : Cin;
+
+    auto queryString = in.ReadAll();
+    auto engine = NSQLComplete::MakeSqlCompletionEngine();
+    NSQLComplete::TCompletionInput input;
+    input.Text = queryString;
+    if (pos) {
+        input.CursorPosition = *pos;
+    } else {
+        input.CursorPosition = queryString.size();
+    }
+
+    auto output = engine->Complete(input);
+    for (const auto& c : output.Candidates) {
+        Cout << "[" << c.Kind << "] " << c.Content << "\n";
+    }
+
+    return 0;
+}
+
+int main(int argc, char* argv[]) {
+    try {
+        return Run(argc, argv);
+    } catch (const yexception& e) {
+        Cerr << "Caught exception:" << e.what() << Endl;
+        return 1;
+    } catch (...) {
+        Cerr << CurrentExceptionMessage() << Endl;
+        return 1;
+    }
+    return 0;
+}